Mitsubishi Electric MELSEC FX Series User Manual page 14

FX communication
10.2.13 Send Sum Result <BFM #15> .......................................................................................... 10-11
10.2.14 Receive Sum Result <BFM #16>...................................................................................... 10-11
10.2.15 Time from CS ON to Send Start <BFM #20>.................................................................... 10-12
10.2.16 Time from Completion of Actual Send to RS OFF (completion flag ON) <BFM #21> ...... 10-12
10.2.17 Status <BFM #28> ........................................................................................................... 10-13
10.2.18 Error Code <BFM #29>..................................................................................................... 10-14
10.2.19 Model Code <BFM #30>................................................................................................... 10-14
10.2.20 Send Byte Count <BFM #1000> ....................................................................................... 10-14
10.2.21 Send Buffers <BFMs #1001 to #1256>............................................................................. 10-14
10.2.22 Receive Byte Count <BFM #2000> .................................................................................. 10-15
10.2.23 Receive Buffers <BFM #2001 to #2256>.......................................................................... 10-15
10.2.24 Spare Receive Buffers for Interlink Connection Mode <BFM #2257 to #2271> ............... 10-15
10.3 Hardware Hand Shake Operation....................................................................10-16
10.3.1 No Hardware Hand Shake .................................................................................................. 10-16
10.3.2 Standard RS-232C Mode.................................................................................................... 10-17
10.3.3 Interlink Mode ..................................................................................................................... 10-18
10.4 Example Program ............................................................................................10-19
10.4.1 Example of 16 Bits Data Communication ........................................................................... 10-19
10.4.2 Example of 8 Bits Data Communication ............................................................................. 10-23
11. Optional Programming Port................................................................. 11-1
11.1 FX2N-422-BD, FX1N-422-BD............................................................................11-1
11.2 FX2N-232-BD FX1N-232-BD FX0N-232ADP and FX2NC-232ADP .................11-2
11.2.1 Connection cables ................................................................................................................ 11-2
11.3 Cautions on Use ................................................................................................11-3
11.3.1 Cautions on Setting............................................................................................................... 11-3
11.3.2 Cautions on use ................................................................................................................... 11-3
12. Diagnostics.......................................................................................... 12-1
12.1 Common Items ..................................................................................................12-1
12.2 N:N Network ......................................................................................................12-2
12.2.1 Error Code ............................................................................................................................ 12-2
12.2.2 Diagnostics ........................................................................................................................... 12-2
12.3 Parallel Link .......................................................................................................12-3
12.3.1 Diagnostics ........................................................................................................................... 12-3
12.4 Computer Link ...................................................................................................12-4
12.4.1 NAK Error Code .................................................................................................................... 12-4
12.4.2 Programmable Controller Error Code ................................................................................... 12-4
12.4.3 Diagnostics ........................................................................................................................... 12-5
12.5 RS Instruction ....................................................................................................12-6
12.5.1 Diagnostics ........................................................................................................................... 12-6
12.6 FX -232IF ........................................................................................................12-7
2N
12.6.1 Error code ............................................................................................................................. 12-7
12.6.2 Diagnostics ........................................................................................................................... 12-7
12.7 Using Optional Programming Port .....................................................................12-8
12.7.1 FX , FX
1S 1N
12.7.2 FX , FX
2N 2NC
Appendix A:
ASCII code Lists................................................................................................... A-1
and FX earlier V2.00 .................................................................................. 12-8
2N(C)
whose version is V 2.00 or later ...................................................................... 12-8
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